Home Page for the TeradataForum
 
 

 

Archives of the TeradataForum





Message Posted: Fri, 07 Jun 2002 @ 14:08:05 GMT





     
  <Prev Next>   <<First <Prev Next> Last>>  




Subj:   Re: Derived table
 
From:   Thomas Buehlmann



GROUP BY should perform better since more work is done at the node level. DISTINCT is, if I recall correctly, applied to the full result set only, i.e., after the information gathering by all the nodes.


Cheers

Thomas





     
  <Prev Next>   <<First <Prev Next> Last>>  
 
 
 
 
 
 
 
 
  
 
  Top Home Join Privacy Feedback  
 
 
Copyright for the TeradataForum (TDATA-L), Manta BlueSky 
Last Modified: 30 Jun 2008